More zombies have been killed in the campaign No Mercy than the entire population of Cincinnati-Middletown-Wilmington, OH-KY-IN, population 2,176,749.
That is almost more than the entire population of Queens County, NY, population 2,270,338!

c8m1_apartment

Difficulty	Время Игры	Points (PPM)	Kills	Restarts
Normal	2.49 дней	259,921 (72.38)	54,601	387
Advanced	4.28 дней	1,135,361 (184.37)	122,636	1,100
Expert	1.53 часов	18,609 (202.27)	1,830	32
Total	6.83 дней	1,413,891 (143.67)	179,067	1,519

c8m2_subway

Difficulty	Время Игры	Points (PPM)	Kills	Restarts
Normal	3.64 дней	517,296 (98.70)	126,303	1,288
Advanced	2.32 недель	4,001,650 (170.92)	524,187	6,388
Expert	11.92 часов	118,242 (165.37)	10,014	222
Total	2.91 недель	4,637,188 (157.89)	660,504	7,898

c8m3_sewers

Difficulty	Время Игры	Points (PPM)	Kills	Restarts
Normal	1.89 дней	229,439 (84.35)	65,859	225
Advanced	1.31 недель	1,912,943 (144.81)	303,424	1,940
Expert	9.83 часов	50,060 (84.85)	5,773	144
Total	1.64 недель	2,192,442 (132.71)	375,056	2,309

c8m4_interior

Difficulty	Время Игры	Points (PPM)	Kills	Restarts
Normal	2.05 дней	332,958 (112.52)	91,213	554
Advanced	1.38 недель	2,465,117 (176.61)	373,082	2,556
Expert	1.82 часов	43,234 (396.64)	2,557	60
Total	1.69 недель	2,841,309 (166.88)	466,852	3,170

c8m5_rooftop

Difficulty	Время Игры	Points (PPM)	Kills	Restarts
Normal	3.06 дней	358,454 (81.23)	87,410	426
Advanced	2.29 недель	3,155,716 (136.75)	426,476	3,634
Expert	2.83 часов	41,483 (244.02)	3,359	48
Total	2.74 недель	3,555,653 (128.55)	517,245	4,108

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